Author of "Sex and the Single Zillionaire" buys into Millennium Grand tower

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After debuting earlier this year to some praise, it seems luxury high-rise Millennium Tower has sold its two Grand Penthouses -- and one of the owners has a towering reputation of his own.

Says a note dropped graciously in the Curbed inbox: Grand Penthouse A, in the northwest corner of the 60th floor, is going to venture capitalist and Google financier Tom Perkins, author of "Sex and the Single Zillionaire and former husband of romance novelist Danielle Steel.

The last known list price for the 3-bed, 3-bath, 4,750-square-foot space— which sold as a shell— was $11 million, though an across-the-board price chop at the Millennium earlier this year would have moved the needle down to a humbler $9.35 mil.

We talked briefly to buyer's agent Katy Dinner, who said it was the biggest condo sale in San Francisco this year, and the second most expensive home sale. Why, it suddenly almost feels like 2007 again.